Update README.md

README.md

@@ -43,7 +43,7 @@ image = ddpm().images[0]
 
 
 # save image
-image[0].save("ddpm_generated_image.png")
+image.save("ddpm_generated_image.png")
 ```
 
 For more in-detail information, please have a look at the [official inference example](https://colab.research.google.com/github/huggingface/notebooks/blob/main/diffusers/diffusers_intro.ipynb)